.bg {
	height: 450px;
	background-image: url(../img/media-library-bg.png);
	background-size: 100% 450px;
}

.bg h1 {
	padding-top: 270px;
	text-align: center;
}

.bg .button {
	display: flex;
	justify-content: center;
}

.bg .button>div {
	margin: 0 5px;
	width: 130px;
	height: 30px;
}

.bg .button>div>a {
	display: block;
	height: 100%;
	border-radius: 5px;
	background-color: white;
	border: 1px solid #cacaca;
	font-weight: bold;
	color: #c17633;
	line-height: 30px;
	text-align: center;
}

.bg .button>div:first-of-type>a {
	background-color: #c17633;
	color: #fff;
}

.bg .button>div>a:hover {
	background-color: #c17633;
	color: #fff;
}

.bg .search {
	display: flex;
	justify-content: center;
	margin-top: 20px;
}

.bg .search>div {
	margin: 0 10px;
}

.bg .search>div:first-of-type {
	width: 45%;
	height: 20px;
	padding: 10px 10px;
	border: 1px solid #b5b5b5;
	background-color: white;
	border-radius: 4px;
	background-color: #fff;
}

.bg .search>div:first-of-type>input {
	width: 100%;
	display: block;
	height: 100%;
	border: none;
	background: none;
}

.bg .search>div:last-of-type {
	width: 4%;
	height: 40px;
}

.bg .search>div:last-of-type>button {
	display: block;
	width: 100%;
	height: 100%;
	border: none;
	background-color: #32A071;
	text-align: center;
	line-height: 40px;
	font-weight: bold;
	color: #fff;
	border-radius: 4px;
}

.centerbox {
	margin: 20px 0;
	overflow: hidden;
}

.centerbox .imglist>li {
	float: left;
	margin-top:20px;
}

.centerbox .imglist>li:nth-child(odd) {
	width: 32.5%;
	height:270px;
	background-color:red;
}

.centerbox .imglist>li:nth-child(even) {
	width: 1%;
	height:5px;
}
.centerbox .imglist>li>a{
	display:block;
	height:100%;
}
.centerbox .imglist>li>a>img{
	display:block;
	width:100%;
	height:100%;
}